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-rw-r--r--sound/aoa/soundbus/i2sbus/i2sbus-pcm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
index c6b42f9..a4b0e1a 100644
--- a/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
+++ b/sound/aoa/soundbus/i2sbus/i2sbus-pcm.c
@@ -194,6 +194,12 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
hw->period_bytes_max = 16384;
hw->periods_min = 3;
hw->periods_max = MAX_DBDMA_COMMANDS;
+ err = snd_pcm_hw_constraint_integer(pi->substream->runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0) {
+ result = err;
+ goto out_unlock;
+ }
list_for_each_entry(cii, &sdev->codec_list, list) {
if (cii->codec->open) {
err = cii->codec->open(cii, pi->substream);
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